Laserfiche WebLink
Sequoia 1455 McDowell Blvd,North Ste <br /> Petaluma,CA 949544 <br /> Anal tical (707)792-1865 <br /> FAX <br /> y (707,792.0342 <br /> www sequoialabs com <br /> URS Corp-Sacramento Project BP Hentage Site 11194,Tracy,Ca P308015 <br /> 2870 Gateway Oaks Drive Suite 300 Project Number WR36365 Reported <br /> Sacramento CA,95833 Project Manager Vernon P Elarth 09/16/03 17 10 <br /> Volatile Organic Compounds by EPA Method 8260B- Quality Control <br /> Sequoia Analytical-Petaluma <br /> Reporting Spike Source %REC RPO <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br /> Batch 3080111-EPA 5030 waters <br /> Blank(3080111-BLK1) Prepared&Anal zed 08/07/03 <br /> Tert-amyi methyl ether ND 1 0 ug/l <br /> Benzene ND 0 50 " <br /> Tert-butyl alcohol ND 20 " <br /> Di-isopropyl ether ND 1 0 " <br /> 1,2-Dibromoethane(EDB) ND 0 50 " <br /> 1,2-Dichloroethane ND 0 50 " <br /> Ethanol ND 100 " <br /> Ethylbenzene ND 050 " <br /> Ethyl tert-butyl ether ND 1 0 " <br /> Methyl tent-butyl ether ND 050 " <br /> Toluene ND 050 " <br /> Iftylenes(total) ND 050'qW " <br /> urrogate Dibromofluoromethane 4 75 450 106 84-121 <br /> Surrogate 12-Dichloroethane-d4 4 82 450 107 74-135 <br /> Surrogate Toluene-d8 4 75 450 106 84-119 <br /> Surrogate 4-Bromofluorobenzene 4 67 450 104 86-119 <br /> Laboratory Control Sample(3080111-BSI) Pr_eCared&Analyzed 08/07/03 T_ - <br /> Tert-amyl methyl ether 4 81 1 0 ug/1 5 00 96 70-116 <br /> Benzene 5 07 0 50 5 00 101 81-118 <br /> Tert-butyl alcohol 93 8 20 " 100 94 62-142 <br /> Di-isopropyl ether 4 85 1 0 500 97 71-121 <br /> 1,2-Dibromoethane(EDB) 5 23 050 5 00 105 92-117 <br /> 1,2-Dichloroethane 5 06 0 50 5 00 lot 79-126 <br /> Ethyltert-butylether 4 64 1 0 5 00 93 71-110 <br /> Methyl tert-butyl ether 4 79 0 50 5 00 96 77-123 <br /> Toluene 4 82 0 50 500 96 84-119 <br /> Surrogate Dibromofluoromethane 4 85 450 108 84-122 <br /> Surrogate 12-Dichloroethane-d4 4 76 450 106 74-135 <br /> Surrogate Toluene-d8 4 94 450 110 84-119 <br /> Surrogate 4-Bromofluorobenzene 4 81 450 107 86-119 <br /> Sequoia Analytical-Petaluma The results in this report apply to the samples analyzed in accordance with the chain <br /> of custody document Unless otherwise stated results are reported on a wet weight <br /> basis This analytical report must be reproduced in its entirety <br /> Page 16 of 21 <br />